Heretic Astronomer

Defender
Ascend (If you control ten or more permanents, you
get the city's blessing for the rest of the game.)
As long as you have the city's blessing, Heretic Astronomer can attack as though it didn't have defender.
At the beginning of your upkeep, if Heretic Astronomer is in your graveyard and you have
the city's blessing, you may pay {g}. If you do,
scry 1.